Side-by-side benchmark comparison across knowledge, coding, math, and reasoning.
Grok Code Fast 1 is clearly ahead on the aggregate, 58 to 35. The gap is large enough that you do not need to squint at the spreadsheet to see the difference.
Grok Code Fast 1's sharpest advantage is in mathematics, where it averages 64.3 against 23.1. The single biggest benchmark swing on the page is AIME 2024, 66 to 23.1. GPT-4.1 mini does hit back in knowledge, so the answer changes if that is the part of the workload you care about most.
GPT-4.1 mini gives you the larger context window at 1M, compared with 256K for Grok Code Fast 1.
Pick Grok Code Fast 1 if you want the stronger benchmark profile. GPT-4.1 mini only becomes the better choice if knowledge is the priority or you need the larger 1M context window.
Grok Code Fast 1
53.2
GPT-4.1 mini
75.9
Grok Code Fast 1
38.3
GPT-4.1 mini
23.6
Grok Code Fast 1
64.3
GPT-4.1 mini
23.1
Grok Code Fast 1
79
GPT-4.1 mini
88.5
Grok Code Fast 1 is ahead overall, 58 to 35. The biggest single separator in this matchup is AIME 2024, where the scores are 66 and 23.1.
GPT-4.1 mini has the edge for knowledge tasks in this comparison, averaging 75.9 versus 53.2. Inside this category, MMLU is the benchmark that creates the most daylight between them.
Grok Code Fast 1 has the edge for coding in this comparison, averaging 38.3 versus 23.6. Inside this category, SWE-bench Verified is the benchmark that creates the most daylight between them.
Grok Code Fast 1 has the edge for math in this comparison, averaging 64.3 versus 23.1. Inside this category, AIME 2024 is the benchmark that creates the most daylight between them.
GPT-4.1 mini has the edge for instruction following in this comparison, averaging 88.5 versus 79. Inside this category, IFEval is the benchmark that creates the most daylight between them.
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